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<div class="header">
  <div class="headertitle"><div class="title">RasterImages.cs</div></div>
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<div class="contents">
<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/*</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment">    VectSharp - A light library for C# vector graphics.</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment">    Copyright (C) 2020  Giorgio Bianchini</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"></span> </div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment">    This program is free software: you can redistribute it and/or modify</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment">    it under the terms of the GNU Affero General Public License as</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment">    published by the Free Software Foundation, version 3.</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"></span> </div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment">    This program is distributed in the hope that it will be useful,</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment">    but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment">    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment">    GNU Affero General Public License for more details.</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"></span> </div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment">    You should have received a copy of the GNU Affero General Public License</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment">    along with this program.  If not, see &lt;http://www.gnu.org/licenses/&gt;</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment">*/</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="keyword">using </span>MuPDFCore;</div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="keyword">using </span>System;</div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="keyword">using </span>System.IO;</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="keyword">using </span>System.Runtime.InteropServices;</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span> </div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespace_vect_sharp_1_1_mu_p_d_f_utils.html">VectSharp.MuPDFUtils</a></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span>{<span class="comment"></span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="comment">    /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="comment">    /// A &lt;see cref=&quot;RasterImage&quot;/&gt; created from a file.</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="comment">    /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_mu_p_d_f_utils_1_1_raster_image_file.html">   28</a></span><span class="comment"></span>    <span class="keyword">public</span> <span class="keyword">class </span><a class="code hl_class" href="class_vect_sharp_1_1_mu_p_d_f_utils_1_1_raster_image_file.html">RasterImageFile</a> : <a class="code hl_class" href="class_vect_sharp_1_1_raster_image.html">RasterImage</a></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span>    {<span class="comment"></span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="comment">        /// Creates a new &lt;see cref=&quot;RasterImage&quot;/&gt; from the specified file.</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="comment">        /// &lt;param name=&quot;fileName&quot;&gt;The path to the file containing the image.&lt;/param&gt;</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="comment">        /// &lt;param name=&quot;pageNumber&quot;&gt;The number of the page in the file from which the image should be created, starting at 0. Only useful for multi-page formats, such as PDF.&lt;/param&gt;</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="comment">        /// &lt;param name=&quot;scale&quot;&gt;The scale factor at which to render the image.&lt;/param&gt;</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="comment">        /// &lt;param name=&quot;alpha&quot;&gt;A boolean value indicating whether transparency (alpha) data from the image should be preserved or not.&lt;/param&gt;</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="comment">        /// &lt;param name=&quot;interpolate&quot;&gt;A boolean value indicating whether the image should be interpolated when it is resized or not.&lt;/param&gt;</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_mu_p_d_f_utils_1_1_raster_image_file.html#a0bc214699250ad8e624256d56c83b254">   38</a></span><span class="comment"></span>        <span class="keyword">public</span> <a class="code hl_function" href="class_vect_sharp_1_1_mu_p_d_f_utils_1_1_raster_image_file.html#a0bc214699250ad8e624256d56c83b254">RasterImageFile</a>(<span class="keywordtype">string</span> fileName, <span class="keywordtype">int</span> pageNumber = 0, <span class="keywordtype">double</span> scale = 1, <span class="keywordtype">bool</span> alpha = <span class="keyword">true</span>, <span class="keywordtype">bool</span> interpolate = <span class="keyword">true</span>)</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span>        {</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span>            <span class="keyword">using</span> (MuPDFContext context = <span class="keyword">new</span> MuPDFContext())</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span>            {</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span>                <span class="keyword">using</span> (MuPDFDocument document = <span class="keyword">new</span> MuPDFDocument(context, fileName))</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span>                {</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span>                    RoundedRectangle roundedBounds = document.Pages[pageNumber].Bounds.Round(scale);</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span> </div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span>                    this.Width = roundedBounds.Width;</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span>                    this.Height = roundedBounds.Height;</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span> </div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span>                    this.HasAlpha = alpha;</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span>                    this.Interpolate = interpolate;</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span> </div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span>                    this.Id = Guid.NewGuid().ToString();</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span> </div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span>                    <span class="keywordtype">int</span> imageSize = document.GetRenderedSize(pageNumber, scale, alpha ? MuPDFCore.PixelFormats.RGBA : MuPDFCore.PixelFormats.RGB);</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span> </div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span>                    this.ImageDataAddress = Marshal.AllocHGlobal(imageSize);</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span>                    this.DataHolder = <span class="keyword">new</span> <a class="code hl_class" href="class_vect_sharp_1_1_disposable_int_ptr.html">DisposableIntPtr</a>(this.<a class="code hl_property" href="class_vect_sharp_1_1_raster_image.html#aaa0c2c00b3f570797d0eb31ea899dae2">ImageDataAddress</a>);</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span>                    GC.AddMemoryPressure(imageSize);</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span> </div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span>                    document.Render(pageNumber, scale, alpha ? MuPDFCore.PixelFormats.RGBA : MuPDFCore.PixelFormats.RGB, <span class="keyword">this</span>.ImageDataAddress);</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span>                }</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span>            }</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span>        }</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span>    }</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span><span class="comment"></span> </div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span><span class="comment">    /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span><span class="comment">    /// A &lt;see cref=&quot;RasterImage&quot;/&gt; created from a stream.</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span><span class="comment">    /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_mu_p_d_f_utils_1_1_raster_image_stream.html">   69</a></span><span class="comment"></span>    <span class="keyword">public</span> <span class="keyword">class </span><a class="code hl_class" href="class_vect_sharp_1_1_mu_p_d_f_utils_1_1_raster_image_stream.html">RasterImageStream</a> : <a class="code hl_class" href="class_vect_sharp_1_1_raster_image.html">RasterImage</a></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span>    {<span class="comment"></span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span><span class="comment">        /// Creates a new &lt;see cref=&quot;RasterImage&quot;/&gt; from the specified stream.</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span><span class="comment">        /// &lt;param name=&quot;imageStream&quot;&gt;The stream containing the image data.&lt;/param&gt;</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="comment">        /// &lt;param name=&quot;fileType&quot;&gt;The type of the image contained in the stream.&lt;/param&gt;</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span><span class="comment">        /// &lt;param name=&quot;pageNumber&quot;&gt;The number of the page in the file from which the image should be created, starting at 0. Only useful for multi-page formats, such as PDF.&lt;/param&gt;</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span><span class="comment">        /// &lt;param name=&quot;scale&quot;&gt;The scale factor at which to render the image.&lt;/param&gt;</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span><span class="comment">        /// &lt;param name=&quot;alpha&quot;&gt;A boolean value indicating whether transparency (alpha) data from the image should be preserved or not.&lt;/param&gt;</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span><span class="comment">        /// &lt;param name=&quot;interpolate&quot;&gt;A boolean value indicating whether the image should be interpolated when it is resized or not.&lt;/param&gt;</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_mu_p_d_f_utils_1_1_raster_image_stream.html#a7c8985ec96435b9895297ff674f531c2">   80</a></span><span class="comment"></span>        <span class="keyword">public</span> <a class="code hl_function" href="class_vect_sharp_1_1_mu_p_d_f_utils_1_1_raster_image_stream.html#a7c8985ec96435b9895297ff674f531c2">RasterImageStream</a>(Stream imageStream, InputFileTypes fileType, <span class="keywordtype">int</span> pageNumber = 0, <span class="keywordtype">double</span> scale = 1, <span class="keywordtype">bool</span> alpha = <span class="keyword">true</span>, <span class="keywordtype">bool</span> interpolate = <span class="keyword">true</span>)</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span>        {</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span>            <span class="keyword">using</span> (MuPDFContext context = <span class="keyword">new</span> MuPDFContext())</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span>            {</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span>                IntPtr originalImageAddress;</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span>                <span class="keywordtype">long</span> originalImageLength;</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span> </div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span>                IDisposable toBeDisposed = <span class="keyword">null</span>;</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span>                GCHandle handleToFree;</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span> </div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span>                <span class="keywordflow">if</span> (imageStream is MemoryStream ms)</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span>                {</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span>                    <span class="keywordtype">int</span> origin = (int)ms.Seek(0, SeekOrigin.Begin);</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span>                    originalImageLength = ms.Length;</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span> </div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span>                    handleToFree = GCHandle.Alloc(ms.GetBuffer(), GCHandleType.Pinned);</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span>                    originalImageAddress = handleToFree.AddrOfPinnedObject();</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span>                }</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span>                <span class="keywordflow">else</span></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span>                {</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span>                    MemoryStream mem = <span class="keyword">new</span> MemoryStream((<span class="keywordtype">int</span>)imageStream.Length);</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span>                    imageStream.CopyTo(mem);</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span> </div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span>                    toBeDisposed = mem;</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span> </div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span>                    <span class="keywordtype">int</span> origin = (int)mem.Seek(0, SeekOrigin.Begin);</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span>                    originalImageLength = mem.Length;</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span> </div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span>                    handleToFree = GCHandle.Alloc(mem.GetBuffer(), GCHandleType.Pinned);</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span>                    originalImageAddress = handleToFree.AddrOfPinnedObject();</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span>                }</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span> </div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span>                <span class="keyword">using</span> (MuPDFDocument document = <span class="keyword">new</span> MuPDFDocument(context, originalImageAddress, originalImageLength, fileType))</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span>                {</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span>                    RoundedRectangle roundedBounds = document.Pages[pageNumber].Bounds.Round(scale);</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span> </div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span>                    this.Width = roundedBounds.Width;</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span>                    this.Height = roundedBounds.Height;</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span> </div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span>                    this.HasAlpha = alpha;</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span>                    this.Interpolate = interpolate;</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span> </div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span>                    this.Id = Guid.NewGuid().ToString();</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span> </div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span>                    <span class="keywordtype">int</span> imageSize = document.GetRenderedSize(pageNumber, scale, alpha ? MuPDFCore.PixelFormats.RGBA : MuPDFCore.PixelFormats.RGB);</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span> </div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span>                    this.ImageDataAddress = Marshal.AllocHGlobal(imageSize);</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span>                    this.DataHolder = <span class="keyword">new</span> <a class="code hl_class" href="class_vect_sharp_1_1_disposable_int_ptr.html">DisposableIntPtr</a>(this.<a class="code hl_property" href="class_vect_sharp_1_1_raster_image.html#aaa0c2c00b3f570797d0eb31ea899dae2">ImageDataAddress</a>);</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span>                    GC.AddMemoryPressure(imageSize);</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span> </div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span>                    document.Render(pageNumber, scale, alpha ? MuPDFCore.PixelFormats.RGBA : MuPDFCore.PixelFormats.RGB, <span class="keyword">this</span>.ImageDataAddress);</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span>                }</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span> </div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span>                handleToFree.Free();</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span>                toBeDisposed?.Dispose();</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span>            }</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span>        }</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span><span class="comment"></span> </div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span><span class="comment">        /// Creates a new &lt;see cref=&quot;RasterImage&quot;/&gt; from the specified stream.</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span><span class="comment">        /// &lt;param name=&quot;imageAddress&quot;&gt;A pointer to the address where the image data is contained.&lt;/param&gt;</span></div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span><span class="comment">        /// &lt;param name=&quot;imageLength&quot;&gt;The length in bytes of the image data.&lt;/param&gt;</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span><span class="comment">        /// &lt;param name=&quot;fileType&quot;&gt;The type of the image contained in the stream.&lt;/param&gt;</span></div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span><span class="comment">        /// &lt;param name=&quot;pageNumber&quot;&gt;The number of the page in the file from which the image should be created, starting at 0. Only useful for multi-page formats, such as PDF.&lt;/param&gt;</span></div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span><span class="comment">        /// &lt;param name=&quot;scale&quot;&gt;The scale factor at which to render the image.&lt;/param&gt;</span></div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span><span class="comment">        /// &lt;param name=&quot;alpha&quot;&gt;A boolean value indicating whether transparency (alpha) data from the image should be preserved or not.&lt;/param&gt;</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span><span class="comment">        /// &lt;param name=&quot;interpolate&quot;&gt;A boolean value indicating whether the image should be interpolated when it is resized or not.&lt;/param&gt;</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_mu_p_d_f_utils_1_1_raster_image_stream.html#aa501f4dd112e351eb161928143e17683">  148</a></span><span class="comment"></span>        <span class="keyword">public</span> <a class="code hl_function" href="class_vect_sharp_1_1_mu_p_d_f_utils_1_1_raster_image_stream.html#aa501f4dd112e351eb161928143e17683">RasterImageStream</a>(IntPtr imageAddress, <span class="keywordtype">long</span> imageLength, InputFileTypes fileType, <span class="keywordtype">int</span> pageNumber = 0, <span class="keywordtype">double</span> scale = 1, <span class="keywordtype">bool</span> alpha = <span class="keyword">true</span>, <span class="keywordtype">bool</span> interpolate = <span class="keyword">true</span>)</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span>        {</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span>            <span class="keyword">using</span> (MuPDFContext context = <span class="keyword">new</span> MuPDFContext())</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span>            {</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span>                <span class="keyword">using</span> (MuPDFDocument document = <span class="keyword">new</span> MuPDFDocument(context, imageAddress, imageLength, fileType))</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span>                {</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span>                    RoundedRectangle roundedBounds = document.Pages[pageNumber].Bounds.Round(scale);</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span> </div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span>                    this.Width = roundedBounds.Width;</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span>                    this.Height = roundedBounds.Height;</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span> </div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span>                    this.HasAlpha = alpha;</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span>                    this.Interpolate = interpolate;</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span> </div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span>                    this.Id = Guid.NewGuid().ToString();</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span> </div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span>                    <span class="keywordtype">int</span> imageSize = document.GetRenderedSize(pageNumber, scale, alpha ? MuPDFCore.PixelFormats.RGBA : MuPDFCore.PixelFormats.RGB);</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span> </div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span>                    this.ImageDataAddress = Marshal.AllocHGlobal(imageSize);</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span>                    this.DataHolder = <span class="keyword">new</span> <a class="code hl_class" href="class_vect_sharp_1_1_disposable_int_ptr.html">DisposableIntPtr</a>(this.<a class="code hl_property" href="class_vect_sharp_1_1_raster_image.html#aaa0c2c00b3f570797d0eb31ea899dae2">ImageDataAddress</a>);</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span>                    GC.AddMemoryPressure(imageSize);</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span> </div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span>                    document.Render(pageNumber, scale, alpha ? MuPDFCore.PixelFormats.RGBA : MuPDFCore.PixelFormats.RGB, <span class="keyword">this</span>.ImageDataAddress);</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span>                }</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span>            }</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span>        }</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span>    }</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span>}</div>
<div class="ttc" id="aclass_vect_sharp_1_1_disposable_int_ptr_html"><div class="ttname"><a href="class_vect_sharp_1_1_disposable_int_ptr.html">VectSharp.DisposableIntPtr</a></div><div class="ttdoc">An IDisposable wrapper around an IntPtr that frees the allocated memory when it is disposed.</div><div class="ttdef"><b>Definition:</b> <a href="_raster_image_8cs_source.html#l00054">RasterImage.cs:55</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_mu_p_d_f_utils_1_1_raster_image_file_html"><div class="ttname"><a href="class_vect_sharp_1_1_mu_p_d_f_utils_1_1_raster_image_file.html">VectSharp.MuPDFUtils.RasterImageFile</a></div><div class="ttdoc">A RasterImage created from a file.</div><div class="ttdef"><b>Definition:</b> <a href="_vect_sharp_8_mu_p_d_f_utils_2_raster_images_8cs_source.html#l00028">RasterImages.cs:29</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_mu_p_d_f_utils_1_1_raster_image_file_html_a0bc214699250ad8e624256d56c83b254"><div class="ttname"><a href="class_vect_sharp_1_1_mu_p_d_f_utils_1_1_raster_image_file.html#a0bc214699250ad8e624256d56c83b254">VectSharp.MuPDFUtils.RasterImageFile.RasterImageFile</a></div><div class="ttdeci">RasterImageFile(string fileName, int pageNumber=0, double scale=1, bool alpha=true, bool interpolate=true)</div><div class="ttdoc">Creates a new RasterImage from the specified file.</div><div class="ttdef"><b>Definition:</b> <a href="_vect_sharp_8_mu_p_d_f_utils_2_raster_images_8cs_source.html#l00038">RasterImages.cs:38</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_mu_p_d_f_utils_1_1_raster_image_stream_html"><div class="ttname"><a href="class_vect_sharp_1_1_mu_p_d_f_utils_1_1_raster_image_stream.html">VectSharp.MuPDFUtils.RasterImageStream</a></div><div class="ttdoc">A RasterImage created from a stream.</div><div class="ttdef"><b>Definition:</b> <a href="_vect_sharp_8_mu_p_d_f_utils_2_raster_images_8cs_source.html#l00069">RasterImages.cs:70</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_mu_p_d_f_utils_1_1_raster_image_stream_html_a7c8985ec96435b9895297ff674f531c2"><div class="ttname"><a href="class_vect_sharp_1_1_mu_p_d_f_utils_1_1_raster_image_stream.html#a7c8985ec96435b9895297ff674f531c2">VectSharp.MuPDFUtils.RasterImageStream.RasterImageStream</a></div><div class="ttdeci">RasterImageStream(Stream imageStream, InputFileTypes fileType, int pageNumber=0, double scale=1, bool alpha=true, bool interpolate=true)</div><div class="ttdoc">Creates a new RasterImage from the specified stream.</div><div class="ttdef"><b>Definition:</b> <a href="_vect_sharp_8_mu_p_d_f_utils_2_raster_images_8cs_source.html#l00080">RasterImages.cs:80</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_mu_p_d_f_utils_1_1_raster_image_stream_html_aa501f4dd112e351eb161928143e17683"><div class="ttname"><a href="class_vect_sharp_1_1_mu_p_d_f_utils_1_1_raster_image_stream.html#aa501f4dd112e351eb161928143e17683">VectSharp.MuPDFUtils.RasterImageStream.RasterImageStream</a></div><div class="ttdeci">RasterImageStream(IntPtr imageAddress, long imageLength, InputFileTypes fileType, int pageNumber=0, double scale=1, bool alpha=true, bool interpolate=true)</div><div class="ttdoc">Creates a new RasterImage from the specified stream.</div><div class="ttdef"><b>Definition:</b> <a href="_vect_sharp_8_mu_p_d_f_utils_2_raster_images_8cs_source.html#l00148">RasterImages.cs:148</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_raster_image_html"><div class="ttname"><a href="class_vect_sharp_1_1_raster_image.html">VectSharp.RasterImage</a></div><div class="ttdoc">Represents a raster image, created from raw pixel data. Consider using the derived classes included i...</div><div class="ttdef"><b>Definition:</b> <a href="_raster_image_8cs_source.html#l00100">RasterImage.cs:101</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_raster_image_html_aaa0c2c00b3f570797d0eb31ea899dae2"><div class="ttname"><a href="class_vect_sharp_1_1_raster_image.html#aaa0c2c00b3f570797d0eb31ea899dae2">VectSharp.RasterImage.ImageDataAddress</a></div><div class="ttdeci">IntPtr ImageDataAddress</div><div class="ttdoc">The memory address of the image pixel data.</div><div class="ttdef"><b>Definition:</b> <a href="_raster_image_8cs_source.html#l00105">RasterImage.cs:105</a></div></div>
<div class="ttc" id="anamespace_vect_sharp_1_1_mu_p_d_f_utils_html"><div class="ttname"><a href="namespace_vect_sharp_1_1_mu_p_d_f_utils.html">VectSharp.MuPDFUtils</a></div><div class="ttdef"><b>Definition:</b> <a href="_vect_sharp_8_mu_p_d_f_utils_2_image_u_r_i_parser_8cs_source.html#l00024">ImageURIParser.cs:25</a></div></div>
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